A survey of 2312 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 411 have donated blood in the past two years. Complete parts (a) through (c) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). *** (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. D=178 (Round to three decimal places as needed) (b) Verify that the requirements for constructing a confidence interval about p are satisfied The sample can be assumed to be a simple random sample, the value of np (1-6) is 338 283, which is greater than or equal to 10, and the can be assumed to be less than or equal to 5% of the population size (Round to three decimal places as needed) (c) Construct and interpret a 90% confidence interval for the population proportion of adults in the country who have donated blood in the past two years Select the correct choice below and fill in any answer boxes within your choice. (Type integers or decimals rounded to three decimal places as needed Use ascending order) OA. We are OB. There is a % confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and sample size % probability the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and
A survey of 2312 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 411 have donated blood in the past two years. Complete parts (a) through (c) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). *** (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. D=178 (Round to three decimal places as needed) (b) Verify that the requirements for constructing a confidence interval about p are satisfied The sample can be assumed to be a simple random sample, the value of np (1-6) is 338 283, which is greater than or equal to 10, and the can be assumed to be less than or equal to 5% of the population size (Round to three decimal places as needed) (c) Construct and interpret a 90% confidence interval for the population proportion of adults in the country who have donated blood in the past two years Select the correct choice below and fill in any answer boxes within your choice. (Type integers or decimals rounded to three decimal places as needed Use ascending order) OA. We are OB. There is a % confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and sample size % probability the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Solve For C)
Transcribed Image Text:A survey of 2312 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 411 have donated blood in the past two years. Complete parts (a) through (c)
below.
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
(a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years.
= 178
(Round to three decimal places as needed)
(b) Verify that the requirements for constructing a confidence interval about p are satisfied.
...
The sample can be assumed to be a simple random sample, the value of np (1-6) is 338 283, which is greater than or equal to 10, and the
can be assumed to be less than or equal to 5% of the population size
(Round to three decimal places as needed)
B. There is a
(c) Construct and interpret a 90% confidence interval for the population proportion of adults in the country who have donated blood in the past two years. Select the correct choice below and fill in any
answer boxes within your choice.
(Type integers or decimals rounded to three decimal places as needed. Use ascending order)
OA. We are
% confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between
% probability the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between
sample size
and
and
Transcribed Image Text:Standard Normal Distribution Table (page 1)
A
Area
2
-3,4
-3.3
-3.2
-3.1
-3.0
<-29
-28
-2.7
-2.6
-2.5
-2.4
-2.3
-2.2
-2.1
-2.0)
-1.9
-1.8
"
0.00
0.0003
0.0005
0.0007
0.0010
0.0013
0.0019
0.0026
0.0035
0.0047
0.0062
0.0082
0.0107
0.0139
0.0179
0.0228
0.0287
0.0359
0.01
0.0003
0.0005
0.0007
0.0009
0.0013
0.0018
0.0025
0.0034
0.0045
0.0060
0.0080
0.0104
0.0136
0.0174
0.0222
0.0281
0.0351
0.02
0.0003
0.0005
0.0006
0.0009
0.0013
0.0018
0.0024
0.0033
0.0044
0.0059
0.0078
0.0102
0.0132
0.0170
0.0217
0.0274
0.0344
Standard Normal Distribution
0.03
0.04
0.05
0.0003
0.0004
0.0006
0.0009
0.0012
0.0017
0.0023
0.0032
0.0043
0.0057
0.0075
0.0099
0.0129
0.0166
0.0212
0.0268
0.0336
0.0003
0.0004
0.0006
0.0008
0.0012
0.0016
0.0023
0.0031
0.0041
0.0055
0.0073
0.0096
0.0125
0.0162
0.0207
0.0262
0.0329
0.0003
0.0004
0.0006
0.0008
0.0011
0.0016
0.0022
0.0030
0.0040
0.0054
0.0071
0.0094
0.0122
0.0158
0.0202
0.0256
0.0322
0.06
0.0003
0.0004
0.0006
0.0008
0.0011
0.0015
0.0021
0.0029
0.0039
0.0052
0.0069
0.0091
0.0119
0.0154
0.0197
0.0250
0.0314
0.07
0.0003
0.0004
0.0005
0.0008
0.0011
0.0015
0.0021
0.0028
0.0038
0.0051
0.0068
0.0089
0.0116
0.0150
0.0192
0.0244
0.0307
0.08
0.0003
0.0004
0.0005
0.0007
0.0010
0.0014
0.0020
0.0027
0.0037
0.0049
0.0066
0.0087
0.0113
0.0146
0.0188
0.0239
0.0301
0.09
0.0002
0.0003
0.0005
0.0007
0.0010
0,0014
0.0019
0.0026
0.0036
0.0048
0.0064
0.0084
0.0110
0.0143
0.0183
0.0233
0.0204
D
1
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